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RC78 — ROTOR,ENGINE POPPET VALVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

RC78: ROTOR,ENGINE POPPET VALVE.

The ROTOR,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include capacity: 10.0 TONS, bore_diameter: 0.532 INCHES NOMINAL IN, overall_height: 0.523 INCHES MINIMUM AND 0.533 INCHES MAXIMUM IN, carrying_handle: NOT INCLUDED, extended_height: 6.875 INCHES NOMINAL IN, overall_diameter: 2.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-342-7480, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
RC78
NSN: 2805-00-342-7480
NIINs: 003427480, 010568321
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 31033 — TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
capacity10.0 TONS
bore_diameter0.532 INCHES NOMINAL IN
overall_height0.523 INCHES MINIMUM AND 0.533 INCHES MAXIMUM IN
carrying_handleNOT INCLUDED
extended_height6.875 INCHES NOMINAL IN
overall_diameter2.250 INCHES NOMINAL IN
plunger_diameter1.500 INCHES NOMINAL IN
retracted_height4.625 INCHES NOMINAL IN
style_designatorPOSITIVE TYPE-TAPERED BORE
first_step_length0.078 INCHES NOMINAL IN
third_step_length0.198 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
rotation_directionCLOCKWISE
NSN2805-00-342-7480
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ROTOR,ENGINE POPPET VALVE TITLE COMPONENT PN RC78 MFR ROTOR,ENGINE POPPET VA
KEY FEATURES
•
FSC APPLICATION DATA: GASOLINE ENGINE,NONAIRCRAFT
•
FIRST STEP DIAMETER: 0.685 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
•
THIRD STEP DIAMETER: 1.203 INCHES NOMINAL IN
•
STARTING LOAD RANGE: +84.0 TO 164.0 POUNDS LBS
•
SECOND STEP LENGTH: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POSITIVE TYPE-TAPERED BORE
•
ROTATION DIRECTION: CLOCKWISE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.523 INCHES MINIMUM AND 0.533 INCHES MAXIMUM IN
FSC APPLICATION DATAGASOLINE ENGINE,NONAIRCRAFT
FIRST STEP DIAMETER0.685 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
THIRD STEP DIAMETER1.203 INCHES NOMINAL IN
STARTING LOAD RANGE+84.0 TO 164.0 POUNDS LBS
SECOND STEP LENGTH0.125 INCHES NOMINAL IN
STYLE DESIGNATORPOSITIVE TYPE-TAPERED BORE
ROTATION DIRECTIONCLOCKWISE
DISTANCE FROM END TO NEAREST STEP0.112 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
SECOND STEP DIAMETER0.958 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
10861875Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RC78?
RC78 is a ROTOR,ENGINE POPPET VALVE.
What parts can replace RC78?
There is 1 known substitute for RC78: 10861875. Substitute compatibility should be verified for your specific system.
What is the NSN for RC78?
RC78 is cataloged in the U.S. Government catalog under NSN 2805-00-342-7480. This indicates validated use in U.S. government and defense supply chains.
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